Home / 43,221.82-64,832.74-13,641.96

Finding the Fourth Proportional to 43,221.82, 64,832.74 and 13,641.96

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Solution

The fourth proportional to 43,221.82, 64,832.74 and 13,641.96 is: 20,462.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,221.82 : 64,832.74 = 13,641.96 : x
  2. Step 2: Convert to fraction form
    43,221.82/64,832.74 = 13,641.96/x
  3. Step 3: Cross multiply
    43,221.82x = 64,832.74 × 13,641.96
  4. Step 4: Simplify right side
    43,221.82x = 884,445,645.77
  5. Step 5: Solve for x
    x = 884,445,645.77/43,221.82
  6. Step 6: Final answer
    x = 20,462.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.